Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
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A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
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The Jewel Wasp injects a drug into a cockroach’s brain, turns it into a zombie, rides it like a horse back to its burrow, and then lets its hatched larvae feed on the cockroaches body from the inside.
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There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
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An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
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"Fish odor syndrome" is a rare genetic disorder that causes people to smell like rotten fish.
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The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
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